The culture of unbelief; studies and proceedings from the First International Symposium on Belief held at Rome, March 22-27, 1969. Symposium sponsors: the Agnelli Foundation, the University of California at Berkeley, the Vatican Secretariat for Non-Believers.

Cultures et foi

De dialog cum non credentibus.

Der Dialog mit den Nichtglaubenden, 1969.

Le dialogue avec les non-croyants

Dialogue with non-believers : a document of the Secretariat for Non-Believers, August 28, 1968